누가 내 머리 위에 똥 썼어?

The title, in English, can be directly translated as "Who-subjectparticle my head on-at poop-pasttensemarker?"

Sorry, class in 3 minutes, no time to explain, not even those really strange photoshopped pictures in the middle. I'll try to write a little something up for Monday. Until then you'll just have to go on with your daily lives as if you weren't entirely engrossed in my activities.